CN216385099U

CN216385099U - Aluminum phosphate wear-resistant brick for rotary kiln

Info

Publication number: CN216385099U
Application number: CN202121011902.7U
Authority: CN
Inventors: 高英豪; 李耀庭; 田书祥
Original assignee: Zhengzhou Jinheyuan Refractory Co ltd
Current assignee: Zhengzhou Jinheyuan Refractory Co ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2022-04-26
Anticipated expiration: 2031-05-12

Abstract

The utility model relates to an aluminum phosphate wear-resistant brick for a rotary kiln, which comprises an aluminum phosphate wear-resistant brick body, wherein a reinforcing layer is fixedly arranged outside the aluminum phosphate wear-resistant brick body, a heat-resistant layer is fixedly arranged outside the reinforcing layer, and a first waterproof layer is fixedly arranged outside the heat-resistant layer. The aluminum phosphate wear-resistant brick for the rotary kiln can purify smoke in the rotary kiln by arranging the adsorption layer, the heat-resistant layer is a carbon magnesia brick by arranging the carbon magnesia brick, the carbon magnesia brick is an unburned carbon composite refractory material prepared from fused magnesia or sintered magnesia, flaky graphite, an organic binder and an antioxidant, and the aluminum phosphate wear-resistant brick has good high-temperature resistance, strong slag resistance, thermal shock resistance and high-temperature creep reduction capability, and can strengthen the thermal shock stability of an aluminum phosphate wear-resistant brick body with poor thermal shock stability after being combined with the aluminum phosphate wear-resistant brick body, so that the service life of the aluminum phosphate wear-resistant brick body is greatly prolonged.

Description

Aluminum phosphate wear-resistant brick for rotary kiln

Technical Field

The utility model relates to the technical field of bricks, in particular to an aluminum phosphate wear-resistant brick for a rotary kiln.

Background

The brick is the most traditional masonry material, develops from clay as a main raw material to the utilization of industrial waste materials such as coal gangue, coal ash and the like, develops from solid to porous and hollow, develops from sintering to non-sintering, is an artificial small block for building, is a sintered brick (mainly a clay brick) and a non-sintered brick (a sand-lime brick, a fly ash brick and the like), is commonly called a brick head, and is prepared by treating, molding, drying and roasting clay (comprising powder such as shale, coal gangue and the like) as a main raw material.

The existing aluminum phosphate wear-resistant brick for the rotary kiln has poor thermal shock stability, and is easy to peel, crack and even damage if the existing aluminum phosphate wear-resistant brick for the rotary kiln is subjected to sudden temperature rise or sudden temperature drop when in use, so that the service life of the aluminum phosphate wear-resistant brick is greatly shortened.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problems in the prior art, the utility model provides an aluminum phosphate wear-resistant brick for a rotary kiln, which solves the problem that the brick is easy to peel, crack or even damage when the brick is subjected to sudden temperature rise or sudden temperature drop in use.

The technical scheme for solving the technical problems is as follows: an aluminum phosphate abrasive brick for a rotary kiln comprises an aluminum phosphate abrasive brick body, wherein a reinforcing layer is fixedly arranged outside the aluminum phosphate abrasive brick body, a heat resistant layer is fixedly arranged outside the reinforcing layer, a first waterproof layer is fixedly arranged outside the heat resistant layer, the outer part of the first waterproof layer is fixedly provided with an adsorption layer, the outer part of the adsorption layer is fixedly provided with a wear-resistant layer, the left side of the wear-resistant layer is provided with a first groove, one end of the first groove penetrates through the first waterproof layer and extends into the first waterproof layer, the top of the wear-resistant layer is provided with a second groove, one end of the second groove penetrates through the first waterproof layer and extends into the first waterproof layer, the fireproof layers are fixedly arranged in the first groove and the second groove, the second waterproof layer is fixedly arranged outside the fireproof layers, the right side fixed mounting of wearing layer has first lug, the bottom fixed mounting of wearing layer has the second lug.

On the basis of the technical scheme, the utility model can be further improved as follows.

Further, the reinforcing layer is a reinforced steel plate, and the heat-resistant layer is a carbon magnesia brick.

Further, the first waterproof layer and the second waterproof layer are tung oil.

Further, the wear-resistant layer is closed-cell perlite.

Further, the fire-proof layer is made of fire clay.

Furthermore, the first groove is matched with the first bump, and the second groove is matched with the second bump.

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

1. according to the aluminum phosphate wear-resistant brick for the rotary kiln, the adsorption layer is arranged outside the aluminum phosphate wear-resistant brick body, smoke in the rotary kiln can be purified, the heat-resistant layer is a carbon magnesia brick, the carbon magnesia brick is an unburned carbon composite refractory material prepared from fused magnesia or sintered magnesia, flaky graphite, an organic binder and an antioxidant, the aluminum phosphate wear-resistant brick has good high-temperature resistance, high slag resistance, thermal shock resistance and high-temperature creep reduction capability, and after being combined with the aluminum phosphate wear-resistant brick body, the thermal shock stability of the aluminum phosphate wear-resistant brick body with poor thermal shock stability can be enhanced, so that the service life of the aluminum phosphate wear-resistant brick body is greatly prolonged.

2. This aluminium phosphate abrasive brick for rotary kiln through setting up first recess, first lug, second recess and second lug, when splicing aluminium phosphate abrasive brick body, the user inserts first lug in the first recess, inserts the second lug in the second recess, splices in proper order, and concrete placement is built by laying bricks or stones again, enables the aluminium phosphate abrasive brick of concatenation originally and builds inseparabler.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a right partial cross-sectional view of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

the aluminum phosphate wear-resistant brick comprises an aluminum phosphate wear-resistant brick body, a reinforcing layer 2, a heat-resistant layer 3, a first waterproof layer 4, an adsorption layer 5, a wear-resistant layer 6, a first groove 7, a second groove 8, a fireproof layer 9, a second waterproof layer 10, a first bump 11 and a second bump 12.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1-2, the aluminum phosphate wear-resistant brick for the rotary kiln in the embodiment includes an aluminum phosphate wear-resistant brick body 1, a reinforcing layer 2 is fixedly installed outside the aluminum phosphate wear-resistant brick body 1, a heat-resistant layer 3 is fixedly installed outside the reinforcing layer 2, a first waterproof layer 4 is fixedly installed outside the heat-resistant layer 3, an adsorption layer 5 is fixedly installed outside the first waterproof layer 4, a wear-resistant layer 6 is fixedly installed outside the adsorption layer 5, a first groove 7 is formed in the left side of the wear-resistant layer 6, one end of the first groove 7 penetrates through and extends into the first waterproof layer 4, a second groove 8 is formed in the top of the wear-resistant layer 6, a fireproof layer 9 is fixedly installed inside the first groove 7 and the second groove 8, a second waterproof layer 10 is fixedly installed outside the fireproof layer 9, and a first bump 11 is fixedly installed on the right side of the wear-resistant layer 6, the bottom of the wear-resistant layer 6 is fixedly provided with the second bump 12, the adsorption layer 5 is arranged to purify smoke in the rotary kiln, the heat-resistant layer 3 is a carbon magnesia brick, the carbon magnesia brick is an unburned carbon composite refractory material prepared from fused magnesia or sintered magnesia, flaky graphite, an organic binder and an antioxidant, and has good high-temperature resistance, strong slag resistance, thermal shock resistance and high-temperature creep reduction capability, and the thermal shock stability of the aluminum phosphate wear-resistant brick body 1 with poor thermal shock stability can be enhanced after the carbon magnesia brick is combined with the aluminum phosphate wear-resistant brick body 1, so that the service life of the aluminum phosphate wear-resistant brick body 1 is greatly prolonged.

In the embodiment, the reinforcing layer 2 is a reinforced steel plate, the firmness of the aluminum phosphate abrasive brick body 1 can be improved, and the heat-resistant layer 3 is a carbon-magnesium brick, so that the aluminum phosphate abrasive brick has good high-temperature resistance, strong slag resistance, and low thermal shock resistance and high-temperature creep resistance.

In this embodiment, the first waterproof layer 4 and the second waterproof layer 10 are made of tung oil, and have strong waterproof, heat-resistant and adhesive capabilities.

In this embodiment, the wear layer 6 is closed-cell perlite, which is lightweight, heat-insulating, sound-insulating, wear-resistant, and low in purchase cost.

In this embodiment, the fireproof layer 9 is made of fire clay, and has high hardness and fire resistance.

In this embodiment, the first recess 7 is matched with the first protrusion 11, and the second recess 8 is matched with the second protrusion 12.

The working principle of the above embodiment is as follows:

(1) a user inserts the first lug 11 into the first groove 7, inserts the second lug 12 into the second groove 8, sequentially splices the lugs, and uses concrete for pouring and building, so that the originally spliced aluminum phosphate wear-resistant bricks can be built more tightly;

(2) the adsorption layer 5 is arranged outside the aluminum phosphate wear-resistant brick body 1, so that the smoke in the rotary kiln can be purified;

(3) the heat-resistant layer 3 is a carbon magnesia brick, the carbon magnesia brick is an unburned carbon composite refractory material prepared from fused magnesia or sintered magnesia, flaky graphite, an organic binder and an antioxidant, the carbon magnesia brick has good high-temperature resistance, high slag resistance, thermal shock resistance and high-temperature creep reduction capability, and after the carbon magnesia brick is combined with the aluminum phosphate wear-resistant brick body 1, the thermal shock stability of the aluminum phosphate wear-resistant brick body 1 with poor thermal shock stability can be enhanced, so that the service life of the aluminum phosphate wear-resistant brick body 1 is greatly prolonged.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The aluminum phosphate wear-resistant brick for the rotary kiln is characterized by comprising an aluminum phosphate wear-resistant brick body (1), wherein a reinforcing layer (2) is fixedly arranged on the outer portion of the aluminum phosphate wear-resistant brick body (1), a heat-resistant layer (3) is fixedly arranged on the outer portion of the reinforcing layer (2), a first waterproof layer (4) is fixedly arranged on the outer portion of the heat-resistant layer (3), an adsorption layer (5) is fixedly arranged on the outer portion of the first waterproof layer (4), a wear-resistant layer (6) is fixedly arranged on the outer portion of the adsorption layer (5), a first groove (7) with one end penetrating through and extending to the inner portion of the first waterproof layer (4) is formed in the left side of the wear-resistant layer (6), a second groove (8) with one end penetrating through and extending to the inner portion of the first waterproof layer (4) is formed in the top of the wear-resistant layer (6), and a fireproof layer (9) is fixedly arranged in each of the first groove (7) and the second groove (8), the outside fixed mounting of flame retardant coating (9) has second waterproof layer (10), the right side fixed mounting of wearing layer (6) has first lug (11), the bottom fixed mounting of wearing layer (6) has second lug (12).

2. An aluminium phosphate wear brick for rotary kilns according to claim 1, characterised in that said reinforcing layer (2) is a reinforced steel plate and said heat-resistant layer (3) is a carbon-magnesium brick.

3. An aluminium phosphate wear brick for rotary kilns according to claim 1, characterised in that said first (4) and second (10) waterproof layers are tung oil.

4. An aluminium phosphate abrasive brick for rotary kilns as claimed in claim 1, characterised in that said wear resistant layer (6) is closed cell perlite.

5. An aluminium phosphate abrasive brick for rotary kilns according to claim 1, characterised in that the fire-resistant layer (9) is a chamotte.

6. An aluminium phosphate wear brick for rotary kilns, as per claim 1, characterised by the fact that said first recess (7) matches with said first projection (11) and said second recess (8) matches with said second projection (12).